package main

import (
	"fmt"
)

func t(v [][]int){
	v[0][0]=1
}


func main(){
	v:=make([][]int,2)
	for i:=0;i<2;i++{
		v[i]=make([]int,2)
	}
	fmt.Println(v)
	t(v)
	fmt.Println(v)
}